Function extension machine for a portable wireless telephone



FIG. 1 is a perspective view of the top, front and right side of a function extension machine for a portable wireless telephone showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a function extension machine for a portable wireless telephone, as shown. 